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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFILEDEVICE_H
#define QFILEDEVICE_H
#include <QtCore/qiodevice.h>
#include <QtCore/qstring.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QFileDevicePrivate;
class Q_CORE_EXPORT QFileDevice : public QIODevice
{
#ifndef QT_NO_QOBJECT
Q_OBJECT
#endif
Q_DECLARE_PRIVATE(QFileDevice)
public:
enum FileError {
NoError = 0,
ReadError = 1,
WriteError = 2,
FatalError = 3,
ResourceError = 4,
OpenError = 5,
AbortError = 6,
TimeOutError = 7,
UnspecifiedError = 8,
RemoveError = 9,
RenameError = 10,
PositionError = 11,
ResizeError = 12,
PermissionsError = 13,
CopyError = 14
};
enum Permission {
ReadOwner = 0x4000, WriteOwner = 0x2000, ExeOwner = 0x1000,
ReadUser = 0x0400, WriteUser = 0x0200, ExeUser = 0x0100,
ReadGroup = 0x0040, WriteGroup = 0x0020, ExeGroup = 0x0010,
ReadOther = 0x0004, WriteOther = 0x0002, ExeOther = 0x0001
};
Q_DECLARE_FLAGS(Permissions, Permission)
enum FileHandleFlag {
AutoCloseHandle = 0x0001,
DontCloseHandle = 0
};
Q_DECLARE_FLAGS(FileHandleFlags, FileHandleFlag)
~QFileDevice();
FileError error() const;
void unsetError();
virtual void close();
bool isSequential() const;
int handle() const;
virtual QString fileName() const;
qint64 pos() const;
bool seek(qint64 offset);
bool atEnd() const;
bool flush();
qint64 size() const;
virtual bool resize(qint64 sz);
virtual Permissions permissions() const;
virtual bool setPermissions(Permissions permissionSpec);
enum MemoryMapFlags {
NoOptions = 0
};
uchar *map(qint64 offset, qint64 size, MemoryMapFlags flags = NoOptions);
bool unmap(uchar *address);
protected:
QFileDevice();
#ifdef QT_NO_QOBJECT
QFileDevice(QFileDevicePrivate &dd);
#else
explicit QFileDevice(QObject *parent);
QFileDevice(QFileDevicePrivate &dd, QObject *parent = 0);
#endif
qint64 readData(char *data, qint64 maxlen);
qint64 writeData(const char *data, qint64 len);
qint64 readLineData(char *data, qint64 maxlen);
private:
Q_DISABLE_COPY(QFileDevice)
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QFileDevice::Permissions)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QFILEDEVICE_H
|
